Slaughter of the Innocents (1993) DVD9, Blu-Ray

FBI agent Broderick (Glenn) is sent to Salt Lake City to investigate the murders of two children which are found to be connected to a series of bizarre killings that have occurred around Monument Valley. Unbeknownst to his associates, Broderick often uses his 11-year-old whiz-kid son Jesse's (Cameron-Glickenhaus) computer skills to aid his research.
Both are certain that a man sentenced to die for ritual murders in Provo, Utah, is the wrong person, but the man is executed before Broderick can prove his case. Determined to find the real killer, Broderick traces connections to a Moabite sect who believe that Jesus Christ is returning to raise the dead and as a result keep their dead preserved.
Only this time, his inquisitive son gets too close to a serial killer and unless Dad can figure things out on his own, Jesse will be the next victim...